Exterior roof panel of a cap for the bed of a pickup truck



FIG. 1 is a perspective view of the top, front and right side of an exterior roof panel of a cap for the bed of a pickup truck showing my new design, it being understood that the broken lines are for illustrative purposes only;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof.

The portions of the drawings shown in broken lines are for illustrative and background purposes only and do not constitute a portion of the claimed design. 

The ornamental design for an exterior roof panel of a cap for the bed of a pickup truck, as shown and described. 